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  1. Node.js Driver
  2. NODE-1868

Getting deprecated warnings

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    • Type: Icon: Task Task
    • Resolution: Works as Designed
    • Priority: Icon: Minor - P4 Minor - P4
    • None
    • Affects Version/s: 3.1.12
    • Component/s: None
    • Environment:
      Docker container mongo:latest.

       
       I've posted this problem in Stackoverflow (https://stackoverflow.com/questions/54639778/why-am-i-getting-this-deprecated-warning-mongodb/54639983?noredirect=1#comment96081778_54639983).

      ---------
      I'm working with MongoDB in NodeJS,

      const { MongoClient, ObjectId } = require("mongodb");

const MONGO_URI = `mongodb://xxx:xxx@xxx/?authSource=xxx`; // prettier-ignore

class MongoLib {

  constructor() {
    this.client = new MongoClient(MONGO_URI, {
      useNewUrlParser: true,
    });
    this.dbName = DB_NAME;
  }

  connect() {
    return new Promise((resolve, reject) => {
      this.client.connect(error => {
        if (error) {
          reject(error);
        }
        resolve(this.client.db(this.dbName));
      });
    });
  }
  async getUser(collection, username) {
    return this.connect().then(db => {
      return db
        .collection(collection)
        .find({ username })
        .toArray();
    });
  }
}

let c = new MongoLib();

c.getUser("users", "pepito").then(result => console.log(result));
c.getUser("users", "pepito").then(result => console.log(result));

      and when the last c.getUser statement is executed (that's to say, when I make a SECOND connectio) Mongodb outputs this warning:

      the options [servers] is not supported
the options [caseTranslate] is not supported
the options [username] is not supported
the server/replset/mongos/db options are deprecated, all their options are supported at the top level of the options object [poolSize,ssl,sslValidate,sslCA,sslCert,sslKey,sslPass,sslCRL,autoReconnect,noDelay,keepAlive,keepAliveInitialDelay,connectTimeoutMS,family,socketTimeoutMS,reconnectTries,reconnectInterval,ha,haInterval,replicaSet,secondaryAcceptableLatencyMS,acceptableLatencyMS,connectWithNoPrimary,authSource,w,wtimeout,j,forceServerObjectId,serializeFunctions,ignoreUndefined,raw,bufferMaxEntries,readPreference,pkFactory,promiseLibrary,readConcern,maxStalenessSeconds,loggerLevel,logger,promoteValues,promoteBuffers,promoteLongs,domainsEnabled,checkServerIdentity,validateOptions,appname,auth,user,password,authMechanism,compression,fsync,readPreferenceTags,numberOfRetries,auto_reconnect,minSize,monitorCommands,retryWrites,useNewUrlParser]

      But I'm not using any deprecated options. Any ideas?

      EDIT

      After a little discussion with molank in the comments, it looks like open several connections from the same server is not a good practice, so maybe that's what the warning is trying to say (badly I think). So if you have the same problem, save the connection instead of the mongo client.

            Assignee:
            daniel.aprahamian@mongodb.com Daniel Aprahamian (Inactive)
            Reporter:
            antonio Antonio
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              Created:
              Updated:
              Resolved: